Chemistry 11 Chapter 9 Solutions Test 8

Chemistry 11 Chapter 9
Solutions
Test 8

1. Water molecules surrounds more around?

a) Complex ions
b) -ve ions
c) Neutral ions
d) +ve ion

2. Backman”s apparatus is used to measure?

a) Temperature
b) Pressure
c) B.P elevation
d) Depression in freezing point

3. The compounds in which water molecules are added are?

a) Hydrates
b) Double salts
c) Complexes
d) More acidic

4. Hydration is a process in which?

a) Water molecule is added
b) Breakage of O-H bond
c) By passage of electricity
d) Water molecule is added by H-O bond

5. Presence of NaCl in ice?

a) Lowers the melting point of ice
b) Ice will melt slowly
c) No change
d) Increase the melting point of ice

6. Boiling point elevation can be measured by?

a) Saccharimeter
b) Calorimeter
c) Landsberger’s method
d) Polarimeter

7. Solubility of KClO₃ gives?

a) Unsaturated solution
b) Saturated solution
c) None of these
d) Solubility

8. Solution of Na₂SO₄is?

a) Basic
b) Acidic
c) More acidic
d) Neutral

9. 1 molar solution of glucose in water contains weight of glucose?

a) 180g/liter
b) 170g/liter
c) 150g/liter
d) 200g/liter

10. Ppm means?a) parts of solute in one million parts of solvent
b) parts of solute in 1000 parts of solvent
c) parts of solvent in 1000 parts of solute
d) parts of solvent in one million parts of solute

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